package com.changgou.system.filter;

import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

import java.net.InetSocketAddress;

@Component
public class IpFilter implements GlobalFilter, Ordered {
	//具体业务逻辑
	@Override
	public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
		//获取客户端访问ip
		System.out.println("经过了第一个过滤器");
		ServerHttpRequest request = exchange.getRequest();
		InetSocketAddress remoteAddress = request.getRemoteAddress();
		System.out.println("ip:"+remoteAddress);
		//放行
		return chain.filter(exchange);
	}
	//过滤器执行优先级,返回值越小执行优先级越高
	@Override
	public int getOrder() {
		return 1;
	}
}
